Williams AV IR SY11 IR+ Complete Infrared Assistive Listening System with IR M1 Modulator, Two IR E4 Emitters and 4 Receivers
Usually arrives in 5-9 business days.
The IR SY21 D IR+ large-area infrared assistive listening system with Dante is a professional, commercial-grade solution designed to deliver secure, high-quality audio across large spaces. Utilizing infrared transmission, it ensures private audio delivery that remains confined within the room, making it ideal for environments that require confidentiality and clarity.
At the center of the system is the IR M1 D infrared modulator, featuring a Dante input and built-in Wi-Fi support, which enables seamless integration with modern networked audio systems. The system includes IR E4 emitters and an IR A4 array to provide expansive and consistent coverage for large venues.
This complete package includes four WIR RX22-4N bodypack receivers, dual-bay chargers, earphones, and an ADA wall plaque for compliance. Designed for reliability and ease of deployment, the IR SY21 D is ideal for theaters, auditoriums, courtrooms, and houses of worship requiring large-area assistive listening solutions.
| IR M1 D Modulator | |
|---|---|
| Power Supply | 110-240 VAC input, +48 VDC output (international desktop supply) |
| Power Consumption | 36W |
| Audio Inputs | 2x XLR/TRS combo (mic/line, balanced/unbalanced, phantom power selectable) |
| Frequency Response | 40 Hz - 16 kHz (+1 dB, -3 dB) |
| Dante Support | Integrated Dante audio networking |
| Signal-to-Noise Ratio | 67 dB (typical) |
| Dimensions (H x W x D) | 1.75" (44.45 mm) x 19" (483 mm) x 8.2" (208 mm) |
| Weight | 5.2 lbs (2.4 kg) |
| IR E4 Emitter | |
| Power | 48 VDC supplied by IR M1 via CAT 5e cable |
| Coverage Area | Up to 18,000 (1670 m) square feet in single channel mode |
| Connectivity | +48 VDC Power, RS-485 communication, and Baseband signals for IR transmission are all provided via a single CAT5e cable inserted into an RJ-45 jack from the IR M1 |
| Operating Requirements | 0-50ºC ambient temperature, non-condensing, non-corrosive atmosphere |
| Dimensions (H x W x D) | 1.4" (35.56 mm) x 7.5" (190.5 mm) x 3.6" (91.44 mm) |
| Weight | 0.8 lbs (0.36 kg) |
| IR A4 | |
| Power | 48 VDC, 0.75A |
| Connectivity | +48 VDC Power, RS-485 communication, and Baseband signals for IR transmission are all provided via CAT5e cable(s) inserted into an RJ-45 jack from the IR M1 and out to the IR E4(s) |
| Heat Dissipation | 1W |
| Max Cable Length | 328 feet (100 m) |
| Plenum Rating | Not rated for use in plenum spaces and will need to be installed in a plenum box for use in such areas |
| Dimensions (H x W x D) | 1.1" (28 mm) x 7.6" (193 mm) x 6.6" (168 mm) |
| Weight | 2.4 lbs (1.09 kg) |
| WIR RX22-4N | |
| Battery Type | 2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2) |
| Battery Drain | 25 mA, nominal |
| Frequency Response | 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response |
| Total Harmonic Distortion | Less than 1%, electrical response |
| Controls | ON/OFF/VOLUME: combination thumbwheel knob Channel Selector: four-position rotary switch |
| Dimensions (H x W x L) | 1.2" (30.4 mm) x 3.86" (72.4 mm) x 4.1" (104.1 mm) |
| Weight | 0.28 lbs (0.13 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.